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Add shared services infrastructure for cross-host data

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Created centralized service definitions in shared/services.nix to store
service metadata (domains, IPs, ports) that need to be accessible across
multiple hosts. This replaces the per-service split DNS module approach
with a single source of truth.

Services are now exported through utils.nix for easy access in host configs.
This commit is contained in:
William 2025-11-08 21:35:13 -03:00
parent 2289f0e6e4
commit af444584d0
3 changed files with 63 additions and 61 deletions
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39
hosts/alexandria/librespeed.nix
View file

@ -1,39 +0,0 @@
{
config,
lib,
inputs,
...
}:
let
utils = import ../../utils.nix { inherit inputs lib; };
inherit (utils) mkNginxVHosts;
in
{
virtualisation.oci-containers.containers."librespeed" = {
image = "lscr.io/linuxserver/librespeed:latest";
environment = {
TZ = "America/Bahia";
};
ports = [ "127.0.0.1:58080:80" ];
extraOptions = [
"--pull=newer"
"--label=io.containers.autoupdate=registry"
];
};
services.nginx.virtualHosts = mkNginxVHosts {
acmeHost = "baduhai.dev";
domains."speedtest.baduhai.dev".locations."/".proxyPass = "http://127.0.0.1:58080/";
};
# Register this domain for split DNS
services.splitDNS.entries = [
{
domain = "speedtest.baduhai.dev";
lanIP = "192.168.15.142";
tailscaleIP = "100.76.19.50";
}
];
}

39
shared/services.nix Normal file
View file

@ -0,0 +1,39 @@
# Shared service definitions for cross-host configuration
# Used by:
# - alexandria: DNS server (LAN) + service hosting (vaultwarden, nextcloud, jellyfin)
# - trantor: DNS server (Tailnet) + service hosting (forgejo)
{
services = [
{
name = "vaultwarden";
domain = "vault.baduhai.dev";
host = "alexandria";
lanIP = "192.168.15.142";
tailscaleIP = "100.76.19.50";
port = 8222;
}
{
name = "forgejo";
domain = "git.baduhai.dev";
host = "trantor";
tailscaleIP = "100.108.5.90";
port = 3000;
}
{
name = "nextcloud";
domain = "cloud.baduhai.dev";
host = "alexandria";
lanIP = "192.168.15.142";
tailscaleIP = "100.76.19.50";
port = 443;
}
{
name = "jellyfin";
domain = "jellyfin.baduhai.dev";
host = "alexandria";
lanIP = "192.168.15.142";
tailscaleIP = "100.76.19.50";
port = 8096;
}
];
}

24
utils.nix
View file

@ -8,9 +8,14 @@ let
home-manager
agenix
;
# Import shared service definitions
sharedServices = import ./shared/services.nix;
in
{
# Re-export shared services for use in host configs
inherit (sharedServices) services;
# Tag-based host configuration system
mkHost =
{
@ -196,27 +201,24 @@ in
mkSplitDNS =
entries:
let
# Generate view entries for a single domain
mkEntry =
{
domain,
lanIP,
tailscaleIP,
}:
# Generate local-data entries for all domains
tailscaleData = map (e: ''"${e.domain}. IN A ${e.tailscaleIP}"'') entries;
lanData = map (e: ''"${e.domain}. IN A ${e.lanIP}"'') entries;
in
[
# Single Tailscale view with all domains
{
name = "tailscale";
view-first = true;
local-zone = ''"baduhai.dev." transparent'';
local-data = ''"${domain}. IN A ${tailscaleIP}"'';
local-data = tailscaleData;
}
# Single LAN view with all domains
{
name = "lan";
view-first = true;
local-zone = ''"baduhai.dev." transparent'';
local-data = ''"${domain}. IN A ${lanIP}"'';
local-data = lanData;
}
];
in
builtins.concatMap mkEntry entries;
}